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Parameter space studies for the self-gravity interfacial instability
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DOI：10.1111/j.1745-3933.2005.00060.x.png)
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摘要
En 中文
Hydrodynamic instabilities play an important role in determining the morphology and evolution of astronomical entities. Any interface of discontinuous density is subject to instabilities, including Rayleigh-Taylor, Kelvin-Helmholtz, and a recently discovered instability driven by self-gravity. In an ongoing computational study, we seek to validate the linear theory developed for the self-gravity-driven interfacial instability and examine its non-linear behaviour. Here, we present the results from hydrodynamic simulations designed to expand the parameter space and investigate the effects of perturbation strength, Atwood number and compressibility.
Keyword:
hydrodynamics
instabilities
ISM: evolution
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